Negative size is the dimensions of an image taken by a camera. It is different from film format as one film format can be used for various different negative sizes.
| Name | 6×7 | 
| Size | 70.0 × 56.0mm | 
| Diagonal | 89.6mm | 
| Crop factor | 0.48× | 
| Area | 3920mm² | 
| Aspect ratio | 1.25 | 
        
        
        
        
        
        
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